Bug 1746769 (CVE-2019-15117) - CVE-2019-15117 kernel: out of bounds memory access in parse_audio_mixer_unit in sound/usb/mixer.c
Summary: CVE-2019-15117 kernel: out of bounds memory access in parse_audio_mixer_unit ...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-15117
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1746770 1807791 1807792
Blocks: 1746772
TreeView+ depends on / blocked
 
Reported: 2019-08-29 08:53 UTC by Dhananjay Arunesh
Modified: 2023-09-07 20:30 UTC (History)
43 users (show)

Fixed In Version:
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Doc Text:
An out of bounds (OOB) memory access flaw was found in the Linux kernel's ALSA subsystem. This could allow a local attacker to crash the system or leak kernel internal information.
Clone Of:
Environment:
Last Closed: 2021-10-27 10:49:10 UTC
Embargoed:

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Description Dhananjay Arunesh 2019-08-29 08:53:35 UTC 
A vulnerability was found in parse_audio_mixer_unit in sound/usb/mixer.c in the Linux kernel mishandles a short descriptor, leading to out-of-bounds memory access.

Reference:
https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?id=daac07156b330b18eb5071aec4b3ddca1c377f2c
https://lore.kernel.org/lkml/20190814023625.21683-1-benquike@gmail.com/
Comment 1 Dhananjay Arunesh 2019-08-29 08:54:12 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1746770]
Comment 2 Justin M. Forbes 2019-08-29 12:04:06 UTC 
This was fixed for Fedora with the 5.2.10 stable update.
Comment 7 Rohit Keshri 2020-02-27 09:45:04 UTC 
Mitigation:

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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